/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.wsinfra.deployment.axis;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import org.apache.axis.message.SOAPEnvelope;

/**
 * This class helps to deal an issue of axis. Axis does not send a message
 * which has an empty body. With this utility class, an empty body can be
 * replaced with dummy element. visa versa
 *
 * @author Beytullah Yildiz
 * $Date: 2005/04/13 19:40:50 $
 * $Revision: 1.1 $
 */



public class WsInfraEnvelopeModifier {
  public static String replace_1;
  public static String replace_2;

  static {
    replace_1 =
        "<Body><nar:dummy xmlns:nar=\"http://www.naradabrokering.org\">dummy</nar:dummy></Body>";
    replace_2 =
        "<soapenv:Body><nar:dummy xmlns:nar=\"http://www.naradabrokering.org\">dummy</nar:dummy></soapenv:Body>";

  }

  public WsInfraEnvelopeModifier() {

  }
  /**
   * replaces empty body by inserting a dummy element
   */
  public static SOAPEnvelope addDummyBodyElement(SOAPEnvelope soapEnvelope){
    InputStream inputStream =null;
    SOAPEnvelope soapEnv=null;
    try{
    String soapEnvStr = soapEnvelope.toString();

    if ( (soapEnvStr.indexOf("<Body/>") > 0)) {
      soapEnvStr = soapEnvStr.replaceAll("<Body/>", replace_1);
    }
    if (soapEnvStr.indexOf("<soapenv:Body/>") > 0) {

      soapEnvStr = soapEnvStr.replaceAll("<soapenv:Body/>",
                                         replace_2);

    }
    inputStream = new ByteArrayInputStream(soapEnvStr.getBytes());
    soapEnv = new SOAPEnvelope(inputStream);
    }
    catch(Exception e){}
    return soapEnv;

  }
  /**
   * removes dummy element form body.
   */
  public static SOAPEnvelope removeDummyBodyElement(SOAPEnvelope soapEnvelope) {
    InputStream inputStream =null;
    SOAPEnvelope soapEnv=null;
    try{
    String soapEnvStr = soapEnvelope.toString();

    if ( (soapEnvStr.indexOf(replace_1) > 0)) {
      soapEnvStr = soapEnvStr.replaceAll(replace_1, "<Body/>");
    }
    if (soapEnvStr.indexOf(replace_2) > 0) {

      soapEnvStr = soapEnvStr.replaceAll(replace_2, "<soapenv:Body/>");

    }
    inputStream = new ByteArrayInputStream(soapEnvStr.getBytes());
    soapEnv = new SOAPEnvelope(inputStream);
    }
    catch(Exception e){}
    return soapEnv;

  }

}
